Cara Delevingne Seductively Strips for New YSL Lippie Advert

Hang about, it's nudity with a purpose, which makes a nice change; it's highlighting that all Cara needs to go about her day is the new YSL Rouge Pur Couture lipstick. In fact, as ads go, this one is very modestly shot; it's the editorial shot below that's a lot steamier...